ISAEV, Aleksey Petrovich; GURKINA, Nina Konstantinovna. On the Question of Cultural and Historical Bases of the Customs Union. Administrative Consulting, [S. l.], n. 12, p. 52–60, 2013. Disponível em: https://administrative-consulting.owebs.ru/article/view/12500. Acesso em: 8 nov. 2026.